tropical American prostrate or climbing herbaceous perennial having an enormous starchy root
stoneroot
Noun
erect perennial strong-scented with serrate pointed leaves and a loose panicle of yellowish flowers
stone-root
Noun
erect perennial strong-scented with serrate pointed leaves and a loose panicle of yellowish flowers
stone root
Noun
erect perennial strong-scented with serrate pointed leaves and a loose panicle of yellowish flowers
star ipomoea
Noun
annual herb having scarlet flowers
stickweed
Noun
any of several herbaceous plants having seeds that cling to clothing
sweet balm
Noun
bushy perennial Old World mint having small white or yellowish flowers and fragrant lemon-flavored leaves
salvia
Noun
any of various plants of the genus Salvia
spearmint
Noun
common garden herb having clusters of small purplish flowers and yielding an oil used as a flavoring
spike lavender
Noun
Mediterranean plant with pale purple flowers that yields spike lavender oil
sweet marjoram
Noun
aromatic European plant native to Mediterranean and Turkey
self-heal
Noun
decumbent blue-flowered European perennial thought to possess healing properties
silverleaf nightshade
Noun
weedy nightshade with silvery foliage and violet or blue or white flowers
silver-leaved nightshade
Noun
weedy nightshade with silvery foliage and violet or blue or white flowers
silver-leaved nettle
Noun
weedy nightshade with silvery foliage and violet or blue or white flowers
scented penstemon
Noun
fragrant puffed-up white to reddish-pink flowers in long narrow clusters on erect stems
sulfur paintbrush
Noun
plant of moist highland meadows having ragged clusters of pale yellow flowers
shell-flower
Noun
showy perennial of marshlands of eastern and central North America having waxy lanceolate leaves and flower with lower part creamy white and upper parts pale pink to deep purple
snakehead
Noun
showy perennial of marshlands of eastern and central North America having waxy lanceolate leaves and flower with lower part creamy white and upper parts pale pink to deep purple
sunberry
Noun
improved garden variety of black nightshade having small edible orange or black berries
sesame family
Noun
the family of plants of order Polemoniales
sesame
Noun
East Indian annual erect herb
speedwell
Noun
any plant of the genus Veronica
sand devil's claw
Noun
alternatively placed in genus Martynia
straw foxglove
Noun
European yellow-flowered foxglove
sweet unicorn plant
Noun
a herbaceous plant of the genus Proboscidea
snapdragon
Noun
a garden plant of the genus Antirrhinum having showy white or yellow or crimson flowers resembling the face of a dragon
scarlet bugler
Noun
plant with bright red tubular flowers in long narrow clusters near tips of erect stems
shrubby penstemon
Noun
low bushy plant with large showy pale lavender or blue-violet flowers in narrow clusters at ends of stems
slipperwort
Noun
any garden plant of the genus Calceolaria having flowers with large inflated slipper-shaped lower lip
strawberry tomato
Noun
decorative American annual having round fleshy yellow berries enclosed in a bladderlike husk
strawberry tomato
Noun
stout hairy annual of eastern North America with sweet yellow fruits
snow-on-the-mountain
Noun
annual spurge of western United States having showy white-bracted flower clusters and very poisonous milk
stinking nightshade
Noun
poisonous fetid Old World herb having sticky hairy leaves and yellow-brown flowers
salpiglossis
Noun
any plant of the genus Salpiglossis
schizanthus
Noun
any plant of the genus Schizanthus having finely divided leaves and showy variegated flowers
scarlet plume
Noun
Mexican shrub often cultivated for its scarlet-bracted flowers
shoo fly
Noun
coarse South American herb grown for its blue-and-white flowers followed by a bladderlike fruit enclosing a dry berry
spurge family
Noun
a family of plants of order Geraniales
sweet pepper plant
Noun
plant bearing large mild thick-walled usually bell-shaped fruits
spurge
Noun
any of numerous plants of the genus Euphorbia
sun spurge
Noun
not unattractive European weed whose flowers turn toward the sun
sanicle
Noun
a plant of the genus Sanicula having palmately compound leaves and unisexual flowers in panicled umbels followed by bristly fruit
sweet cassava
Noun
South American plant with roots used as a vegetable and herbage used for stock feed
spotted hemlock
Noun
tall biennial water hemlock of northeastern North America having purple-spotted stems and clusters of extremely poisonous tuberous roots resembling small sweet potatoes
spotted water hemlock
Noun
tall biennial water hemlock of northeastern North America having purple-spotted stems and clusters of extremely poisonous tuberous roots resembling small sweet potatoes
stone parsley
Noun
any plant of the genus Seseli having dense umbels of small white or pink flowers and finely divided foliage
stone parsley
Noun
a slender roadside herb of western Europe and Mediterranean areas that has foliage resembling parsley and has white flowers with aromatic seeds
slipper spurge
Noun
any of several tropical American shrubby succulent plants resembling cacti but having foot-shaped bracts